Unity Unity 4

Question 1

What is a ScriptableObject best used for?

Accepted Answer

Storing shared data assets independent of scene GameObjects

Answer

ScriptableObjects are data containers that live as assets, ideal for shared configuration and reducing memory duplication.

Question 2

Which method loads a different scene by name?

Accepted Answer

SceneManager.LoadScene

Answer

SceneManager.LoadScene loads a scene by build index or name.

Question 3

What does DontDestroyOnLoad do?

Accepted Answer

Prevents a GameObject from being destroyed when a new scene loads

Answer

DontDestroyOnLoad keeps a GameObject alive across scene transitions, often used for managers.

Question 4

Which best describes the difference between Awake() and Start()?

Accepted Answer

Awake runs once when the object loads; Start runs before the first frame after Awake

Answer

Awake is called when the object initializes; Start is called just before the first Update after all Awakes complete.

Question 5

What is the purpose of Unity's Layer system in physics?

Accepted Answer

To control which objects can collide via the layer collision matrix

Answer

Layers combined with the collision matrix determine which object groups interact in physics.

Unity Practice Test